Mariehamn weather in March 2025

Expect 1°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Mariehamn in March. Check more long-term weather averages for Mariehamn in March before you book your next holiday to Finland in 2025/2026.

  • 1°C maximum daytime temperature in March in Mariehamn1
    1°C max day temperature
  • 3 hours of sunshine per day
  • 14 days with some rainfall in March in Mariehamn14
    14 days with some rainfall
  • -5°C minimum night-time temperature in March in Mariehamn-5
    -5°C min night temperature
  • 12 hours of daylight per day in March in Mariehamn12
    12 hours of daylight per day
  • No heat & humidity in March in Mariehamn0
    No heat & humidity
  • 25 mm monthly rainfall in March in Mariehamn25
    25 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in March in Mariehamn1
    1 (Low) UV index
  • 0°C sea temperature in March in Mariehamn0
    0°C sea temperature

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The March weather guide for Finland (Mariehamn) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How cold is it in Mariehamn in March?

Daytime temperatures usually reach 1°C in Mariehamn in March, falling to -5°C at night.

How sunny is it in Mariehamn in March?

There are normally 3 hours of bright sunshine each day in Mariehamn in March - that's 26% of daylight hours.

Is the sea cold around Mariehamn in March?

The average sea temperature around Mariehamn in March is 0°C.

Does it rain in Mariehamn in March?

There are usually 14 days with some rain in Mariehamn in March and the average monthly rainfall is 25mm. Rain may fall as snow in this month.

Mariehamn March sunrise & sunset times

Browse the sunrise and sunset times for Mariehamn in March 2025. Select a month to view Mariehamn sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 07:38 18:08
Sunday, 16th March 2025 06:54 18:45
Monday, 31st March 2025 06:08 19:22

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